摘要:
In a magnetic disk apparatus such as a Winchester drive, a head position control mechanism is provided for locking the transducer head on a noneffective surface region of the magnetic disk, where no data is to be stored, as when the apparatus is powered off. A locking lever pivots in a plane parallel to the disk plane for movement into and out of locking engagement with a rotary member rotatable jointly with the head arm about a common axis. A solenoid holds the locking lever out of locking engagement with the rotary member during the progress of data transfer between disk and head. Upon completion of the data transfer, or when the apparatus is electrically turned off, the solenoid becomes deenergized, permitting the locking lever to be sprung into locking engagement with the rotary member. Then the head arm transports the head to, and allows the same to land on, the noneffective surface region of the disk. The head is locked in that position as long as the locking lever remains in locking engagement with the rotary member.
摘要:
Disclosed is a strands protector which comprises a U-shaped housing having a three-dimensionally bent bottom wall and side walls upstanding from the bottom wall, and a cover member connected by a hinge to the housing to close the opening of the housing and releasably secured to the housing by locking means. The cover member includes a hinge at a position corresponding to the location of the bent portion of the bottom wall of the housing.Also disclosed is a locking mechanism which comprises a locking arm provided on one of two hinge-connected members and an arm-engaging receptacle provided on the other member. The locking arm has an end projection adapted to be inserted in a central hole of the receptacle to secure the two members together, and the receptacle has a projection insertion cutout at a position where interference occurs between the projection of the locking arm and the receptacle when one of these two members is superposed on the other.
摘要:
Disclosed is a bundled strands protector of a type of a U-shaped housing. The protector comprises a partition member upstanding from the bottom wall of the housing, a locking member provided on the free end of the partition member, and a retaining member hinged to one of the side walls of the housing and releasably engageable with the other side wall, the retaining member being provided with an engaging hole engageable with the locking member.
摘要:
To reliably sheath two coupled conductors of two wires, a tube made of a light transmittable material is fitted to the two coupled conductors and adjoining wire insulating covers; a photohardening resin is put into a gap formed between the tube and the wires; and the photohardening resin is irradiated from outside the tube with an ultraviolet ray into hard polymer. The sheath thus formed is resistant against moisture and strong in mechanical strength.
摘要:
An electric wire bundler is disclosed in which an anchor is provided on a bottom of an electric wire rest, and a boss is provided on a top of the rest so that an end face of the boss is located at a distance from an axis of the anchor. A flexible band extends from the boss and has a plurality of engaging portions at intervals in the longitudinal direction of the band. The boss has an insertion hole, into which the band is inserted from the end face. The boss is provided with an engaging means, which is engaged with one of the engaging portions of the band inserted into the hole.
摘要:
The invention provides an improved method for forming a cover layer over a joint of electrical wires. Portions of insulation layers of wires to be joined are stripped and the bared conductors of the wires assembled in a desired configuration to form a joint. The joint is placed in a transparent mold and the mold is filled with a photosetting resin. Radiation of an appropriate wavelength is then passed through the mold to harden the resin.
摘要:
In a data transfer apparatus such as a Winchester disk drive wherein a transducer or transducers fly over a magnetic disk surface or surfaces during data transfer therewith, a retractor mechanism is provided which coacts with a transducer positioning mechanism for causing the transducer to land on a head landing track disposed radially and inwardly from a series of concentric data storage tracks on the disk, as when the apparatus is electrically turned off. The retractor mechanism includes a spring or like energy storage element in which energy is stored when, with the apparatus powered on, the transducer is first transported by the positioning mechanism from the head landing track to the outermost home track on the disk for initialization. The spring is locked, as under the force of a solenoid, against the release of the stored energy during the subsequent run of data transfer, making it possible for the positioning mechanism to transport the transducer from track to track without being loaded by the deflected spring. When the apparatus is powered off, the solenoid unlocks the spring for releasing the stored energy and hence for returning the transducer to the landing track.
摘要:
To improve noise prevention and waterproof effects and simultaneously wiring workability of a funnel-shaped grommet used for wiring a wire bundle or a cable through a panel, a sealing material is put into the grommet from above to fill a space between a small-diameter cylindrical portion of the grommet and the wire bundle and gaps between wires. The sealing material is a two-liquid polyurethane resin based bonding agent or a nitrile rubber based bonding agent.